Probe of double ball, for the selective extraction of gastric juice and duodenal. (Machine-translation by Google Translate, not legally binding)

摘要

Double balloon probe, for the selective extraction of gastric and duodenal juice, characterized by being a flexible tubular body, consisting of two concentric tubes, the inner one of greater length with a kind of pear at its end provided with a series of elliptical drills, the external tube in its termination surrounds the outer layer of the inner tube and next to that area it also carries a series of elliptical contour drills. (Machine-translation by Google Translate, not legally binding)